hormones.new - Root Development Promotes Cell Division...

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Plant Hormones Hormone : a chemical substance produced in one part of an organism and transported to another part where it controls a specific metabolic process. In Plants, Hormones Control 3 Basic Processes: 1. Cell Division 2. Cell Elongation 3. Cell Differentiation
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Auxin Indoleacetic Acid (IAA) 1. Induces Cell Elongation
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Auxin is Responsible for Phototropism – movement in response to light
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Also Thigmotropism (movement in response to touch) And Geotropism (movement in response to gravity)
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Produced by Seeds – Stimulates Fruit Enlargement. Normal Seeds Removed Seeds Removed Auxin Applied Application of Auxin To Unfertilized Ovaries Produces Seedless Fruits
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Prune to Promote Branching
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Cytokinin Concentration LOW HIGH Auxin Concentration LOW HIGH Shoot Development
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Unformatted text preview: Root Development Promotes Cell Division Gibberellin (Gibberellic Acid [GA])-Promotes Seed Germination (breaks down endosperm) Added to in first steps of beer-making to increase sugar availability to yeasts.-Causes Rapid Cell Division (induces bolting in tandem with auxin) Germinating Seeds Soaked in GA 1. Stimulates Fruit Ripening 2. Stem Thickening (growth in all directions in response to stress) 3. Stimulates Abscission (used commercially to promote fruit loosening to facilitate mechanical harvesting) 4. Promotes Flowering Prevent Action of Ethylene Abscisic Acid Universal Regulator of Stomata Maintains Dormancy Improves Tolerance to Stress Counteracts Effects of Other Hormones...
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hormones.new - Root Development Promotes Cell Division...

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